Vulnerability in Isc Bind

CVE-2023-5680

If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 th…

EPSS: 0.006 (45.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-5680?
CVE-2023-5680 is a medium-severity vulnerability in Isc Bind. CVSS score: 5.3/10. Published 2024-02-13.
How severe is CVE-2023-5680?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-5680 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.